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Cheap flights from Adelaide to Ko Samui from $589

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Ko Samui departing on 23/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Adelaide to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:00 - 17:20
ADL
-
USM
28h 50m
2 stops
Multiple Airlines Logo
08:40 - 17:15
USM
-
ADL
30h 05m
2 stops
$1,150Multiple Airlines
Fri, 12 Jun - Fri, 19 Jun
Multiple Airlines Logo
06:25 - 07:45
ADL
-
USM
27h 50m
2 stops
Multiple Airlines Logo
08:40 - 21:55
USM
-
ADL
34h 45m
2 stops
$1,184Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun
Qantas Airways Logo
06:05 - 21:05
ADL
-
USM
18h 30m
2 stops
Qantas Airways Logo
16:25 - 15:45
USM
-
ADL
19h 50m
2 stops
$1,309Qantas Airways
Mon, 2 Nov - Thu, 12 Nov
Qantas Airways Logo
14:15 - 18:15
ADL
-
USM
30h 30m
2 stops
Qantas Airways Logo
13:30 - 11:15
USM
-
ADL
19h 15m
2 stops
$1,329Qantas Airways
Thu, 11 Jun - Mon, 22 Jun
Qantas Airways Logo
14:15 - 18:15
ADL
-
USM
30h 30m
2 stops
Qantas Airways Logo
13:30 - 11:15
USM
-
ADL
19h 15m
2 stops
$1,338Qantas Airways
Thu, 11 Jun - Mon, 22 Jun
Multiple Airlines Logo
18:35 - 08:00
ADL
-
USM
16h 55m
1 stop
Multiple Airlines Logo
17:40 - 17:20
USM
-
ADL
20h 10m
2 stops
$1,358Multiple Airlines
Mon, 2 Nov - Thu, 12 Nov
Qantas Airways Logo
12:00 - 18:15
ADL
-
USM
33h 45m
2 stops
Qantas Airways Logo
13:25 - 17:45
USM
-
ADL
24h 50m
2 stops
$1,361Qantas Airways
Thu, 22 Oct - Mon, 26 Oct
Singapore Airlines Logo
18:35 - 08:00
ADL
-
USM
16h 55m
1 stop
Singapore Airlines Logo
18:05 - 17:20
USM
-
ADL
19h 45m
1 stop
$1,372Singapore Airlines
Mon, 2 Nov - Thu, 12 Nov
Qantas Airways Logo
14:20 - 18:15
ADL
-
USM
30h 25m
2 stops
Qantas Airways Logo
13:30 - 13:35
USM
-
ADL
21h 35m
2 stops
$1,382Qantas Airways
Sat, 13 Jun - Thu, 25 Jun
Qantas Airways Logo
14:20 - 18:15
ADL
-
USM
30h 25m
2 stops
Qantas Airways Logo
13:30 - 11:15
USM
-
ADL
19h 15m
2 stops
$1,385Qantas Airways
Sat, 13 Jun - Thu, 25 Jun

Malaysia Airlines flights from Adelaide to Ko Samui

Our best Malaysia Airlines deals on Adelaide to Ko Samui flight tickets
Malaysia Airlines
11 June
ADL09:45Adelaide
25h 20m
2 stops
USM08:35Ko Samui
21 June
USM08:45Ko Samui
19h 45m
2 stops
ADL07:00Adelaide
$1,803
Malaysia Airlines
11 June
ADL09:45Adelaide
25h 20m
2 stops
USM08:35Ko Samui
21 June
USM10:05Ko Samui
18h 25m
2 stops
ADL07:00Adelaide
$1,844

Singapore Airlines flights from Adelaide to Ko Samui

Our best Singapore Airlines deals on Adelaide to Ko Samui flight tickets
Singapore Airlines
2 Nov
ADL18:35Adelaide
16h 55m
1 stop
USM08:00Ko Samui
12 Nov
USM18:05Ko Samui
19h 45m
1 stop
ADL17:20Adelaide
$1,372
Singapore Airlines
11 June
ADL17:35Adelaide
26h 15m
1 stop
USM17:20Ko Samui
22 June
USM08:40Ko Samui
20h 15m
1 stop
ADL07:25Adelaide
$1,486
Singapore Airlines
11 June
ADL17:35Adelaide
27h 45m
1 stop
USM18:50Ko Samui
22 June
USM08:40Ko Samui
20h 15m
1 stop
ADL07:25Adelaide
$1,546

momondo Fare Finder

 
Customise your flight search to find flights from Adelaide to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 16 May 2026.
Use the filters below to find and compare flights from Adelaide to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Fri 12/6

15:00-17:20

2 stops28h 50m

Ko Samui

Fri 19/6

08:40-17:15

2 stops30h 05m

$1,150

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Tue 2/6

06:25-07:45

2 stops27h 50m

Ko Samui

Tue 9/6

08:40-21:55

2 stops34h 45m

$1,184

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Mon 2/11

06:05-21:05

2 stops18h 30m

Ko Samui

Thu 12/11

16:25-15:45

2 stops19h 50m

$1,309

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Thu 11/6

14:15-18:15

2 stops30h 30m

Ko Samui

Mon 22/6

13:30-11:15

2 stops19h 15m

$1,329

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Thu 11/6

14:15-18:15

2 stops30h 30m

Ko Samui

Mon 22/6

13:30-11:15

2 stops19h 15m

$1,338

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Mon 2/11

18:35-08:00

1 stop16h 55m

Ko Samui

Thu 12/11

17:40-17:20

2 stops20h 10m

$1,358

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Thu 22/10

12:00-18:15

2 stops33h 45m

Ko Samui

Mon 26/10

13:25-17:45

2 stops24h 50m

$1,361
Fastest return journey

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Mon 2/11

18:35-08:00

1 stop16h 55m

Ko Samui

Thu 12/11

18:05-17:20

1 stop19h 45m

$1,372

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sat 13/6

14:20-18:15

2 stops30h 25m

Ko Samui

Thu 25/6

13:30-13:35

2 stops21h 35m

$1,382

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sat 13/6

14:20-18:15

2 stops30h 25m

Ko Samui

Thu 25/6

13:30-11:15

2 stops19h 15m

$1,385

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Adelaide to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Adelaide and Ko Samui?

What is the cheapest month to fly to Ko Samui?

The month of February is, on average, the cheapest month to fly to Ko Samui from Adelaide, with most prices found around $0. If you aren’t able to travel during the month of February, then book flights to Ko Samui from Adelaide during October instead. Flights to Ko Samui in October, while not as cheap as those in February, still average around $1,189.

Can stopping save me money on Adelaide to Ko Samui flights?

You could potentially save up to 33% on your flight if you consider stops on a Adelaide to Ko Samui flight.

When to book flights from Adelaide to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Adelaide to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Adelaide to Ko Samui (ADL to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Adelaide to Ko Samui

Fastest flight time

18h 30m

Direct flights

None
The fastest flight from Adelaide to Ko Samui takes 18h 30m
There are no direct flights from Adelaide to Ko Samui. There are no popular flight routes from Adelaide to Ko Samui.
Search flight deals

Frequently asked questions about flying from Adelaide to Ko Samui

  • How far is Adelaide to Ko Samui by plane?

    There are 6386.5 km between Adelaide and Ko Samui. A reasonable flight in good conditions will take 18h 30m.

  • When did momondo last update prices for flights from Adelaide Airport to Ko Samui Airport?

    Prices for flights from Adelaide Airport to Ko Samui Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Adelaide Airport to Ko Samui Airport?

  • How old do you have to be to fly from Adelaide Airport to Ko Samui Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Adelaide Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Adelaide to Ko Samui?

Best airlines flying from Adelaide to Ko Samui

Compare and see reviews for airlines that fly from Adelaide to Ko Samui with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,120Free cancellationRating
7.5
1,037 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,160Free cancellationRating
8.2
1,517 reviews
Search Singapore Airlines flights

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Adelaide to Ko Samui?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ko Samui from Adelaide.

Can I find flights from Adelaide to Ko Samui with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ko Samui from Adelaide with this policy.

How can momondo help me find flights from Adelaide to Ko Samui?

Once you have performed a search for Adelaide to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Adelaide to Ko Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Adelaide to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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